Chris Packham, host of BBC Springwatch, selects favourite episodes from Tweet of the Day.
Robert Winston explores music's origins. Are we really descended from singing cavemen?
A profoundly deaf woman reveals how there is more to listening than hearing.
Co-founder of bird song recognition app Warblr Florence Wilkinson likes the female siskin.
Florence Wilkinson, co-founder of bird song recognition app Warblr, enjoys the early bird.
Presenter Lindsey Chapman begins her two week takeover of the Tweet of the Day airwaves.
TV and wildlife presenter Lindsey Chapman returns for her second Tweet of the Day takeover
Wildlife photographer, naturalist & presenter Matt Williams selects from Tweet of the Day.
Wildlife photographer and presenter Matt Williams continues his Tweet of the Day selection
Writer and naturalist Miriam Darlington selects her quintet of birds for Tweet of the Day.
Naturalist Miriam Darlington selects a second week of birds for Tweet of the Day.
Clare joins blind walker Rob Davies at Hulne Park, on the Duke of Northumberland's estate.
Actor and birdwatcher Samuel West revisits the Tweet of the Day archive for a second week.
Actor and birdwatcher Samuel West returns to Tweet of the Day to select favourite episodes
Horror novelist and birdwatcher Stephen Gregory returns for a second Tweet of the Day.
Horror Fiction writer and keen bird watcher Stephen Gregory selects his Tweet of the Day.
Brian Cox and Robin Ince kick off the new series at the Glastonbury Music Festival.
Virtuoso percussionist Dame Evelyn Glennie explores the body's internal rhythms.
Virtuoso percussionist Dame Evelyn Glennie reveals a hidden world of rhythm around us.
Angela Saini explores the science of birdsong and its relationship to human language.